Whenever the [RefreshManager][http://ariatemplates.com/aria/guide/apps/apidocs/#aria.templates.RefreshManager] is resumed, a hierarchy of sections is recomputed in order to optimize the refresh operations by avoiding multiple refreshes of the same section or of nested sections.

For large applications, this can have an impact on performance. A better strategy is needed.

3. Technical solution

Use markers inside the section object instead of creating a new hierarchy. The solution has to be inspired by hashspace refresh mechanism.